What Should You Include on a Furnace Comparison Chart?


Quick Answer

Features of furnaces to include on a comparison chart include AFUE efficiency rating and presence and length of warranties, according to ProtechMechanicalnc.com. For some furnaces, the website also includes comparisons of different features including communication systems and diagnostics, as well as the presence of modulating gas valves.

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Full Answer

To compare warranties, ProtechMechanicalInc.com examines the length of parts and heat exchanger warranties and checks for the presence of unit replacement warranties. The website notes that some warranties need to be registered before they are active. Comparisons of warranties also note whether or not they are lifetime warranties. The website divides the chart into Value, Achiever and Ultra Series of the furnace, which vary in price and available features.

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